The spark plug firing order for a 4.9 L ( 300 cubic inch ) straight 6 cylinder is : 1 - 5 - 3 - 6 - 2 - 4 The distributor rotor turns clockwise The marked # 1 position on the distributor cap faces AWAY from the engine The engine cylinders / spark plugs are numbered 1 to 6 , from front to rear
www.motorcraft.com shows (.044 inch ) plug gap on the 1989 F150 300 cubic inch ( 4.9 L ) straight 6 cylinder engine
Which engine?
( .044 inch ) - for the 4.9 L ( 300 cubic inch ) straight 6 cylinder engine in a 1989 Ford truck
for what size of engine ?
go to part source and they have a program there and it will show you what the diagram looks like
1993 F150 Ford pick-up truck with a 302 / 5.0 L 8-cylinder engine... need to know correct wiring of the 8 spark plug wires from the distributer cap to each plug... can you help???
Yes.
The spark plug wiring diagram for a 2000 F-150 can be found in its service manual. The service manual is available from Ford.
Check the spark plug and the wire on the 8th spark cylinder. Corosion, short, or just bad.
front passenger site
passenger side of engine , front cylinder
Does it have trailer light wiring also? check that too.